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[Bug rtl-optimization/42621] [4.4/4.5 Regression] Computed gotos on AMD 800% slower
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 5 Jan 2010 21:56:16 -0000
- Subject: [Bug rtl-optimization/42621] [4.4/4.5 Regression] Computed gotos on AMD 800% slower
- References: <bug-42621-18630@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from pinskia at gcc dot gnu dot org 2010-01-05 21:56 -------
So the profiling information (which is not always accurate without real
profiling) says the code is not executed that often. I guess someone needs to
tune them better for computed gotos unless people really want to do profiling
runs first to get better performance ...
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42621